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Epson L1800, Service Manual

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L1800

Revision A

Troubleshooting

Overview

22

Confidential

At power-on

At power-on, the PF Roller 
rotates fast about a half turn.

PF Scale

1. Check that the PF Scale is inserted in the slit of the PF Encoder 

Sensor.

1. Install the PF Scale in the slit of the PF 

Encoder Sensor correctly.

2. Check the PF Scale for damages and dirt.

2. Replace the PF Scale with a new one.

During printing

After receiving a print data, an 
error is displayed on the LED 
and STM3.

Head FFC
Sensor FFC

1. Check that the Head FFC and the Sensor FFC are securely 

connected to the Main Board connectors CN9, CN12, CN13, 
and CN14.

1. Connect the Head FFC and the Sensor FFC to 

the Main Board connectors CN9, CN12, 
CN13, and CN14.

Table 2-7. Troubleshooting of Fatal Error

Occurrence 

Timing

Phenomenon Detail

Faulty Part/

Part Name

Check Point

Remedy

Slit

PF Scale

CN9, CN12, CN13, CN14

Summary of Contents for L1800

Page 1: ...L1800 Color Inkjet Printer SEIJ13 007 SERVICE MANUAL Confidential ...

Page 2: ...tents of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION General Notice Other product names used herein are for identification purpose only a...

Page 3: ...RKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS 4 WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM METAL PARTS WITH SHARP EDGES WARNING 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE LISTED ON THE SERIAL NUMBER RATING PLATE IF THE EPS...

Page 4: ...Connector Summary Symbols Used in this Manual Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action Be aware of all symbols when they are used and always read NOTE CAUTION or WARNING messages Indicates an operating or maintenance procedure practice or condition that is neces...

Page 5: ...Confidential Revision Status Revision Date of Issue Description A February 10 2014 First Release ...

Page 6: ... 2 Stacker Assy 45 3 2 3 Front Decoration Plate Left Right 46 3 2 4 Rear Housing 46 3 2 5 Panel Unit 47 3 2 6 Decoration Plate Left Right 49 3 2 7 Upper Housing Printer Cover 50 3 2 8 Upper Housing Support Assy 52 3 3 Removing the Boards 53 3 3 1 Board Assy Main Board Power Supply Board 53 3 4 Disassembling the Printer Mechanism 55 3 4 1 APG Assy 55 3 4 2 CR Scale 56 3 4 3 Printhead Adapter Guide ...

Page 7: ...s 116 4 2 Adjustment Using Adjustment Program 117 4 2 1 Head angular adjustment 117 4 2 2 PW Adjustment First Dot Position Adjustment 118 4 2 3 Bi D adjustment 119 4 2 4 BAND printing adjustment 120 4 2 5 PF adjustment 121 4 2 6 PF band adjustment 122 4 3 Adjustment without Using Adjustment Program 122 4 3 1 PF Belt Tension Adjustment 122 4 3 1 1 PF Belt Tension Adjustment Method 123 4 3 2 PG Adju...

Page 8: ...Confidential C H A P T E R 1 PRODUCTDESCRIPTION ...

Page 9: ...utton Ink Button Paper Button Power LED Ink LED Paper LED Cancel Button Table 1 3 Operation Button Functions Button Printer Status Function Power Off Turns the power on On Turns the power off Paper On When the condition is Idle Loads and Ejects the paper When the following condition loads the paper by pressing this key Release the error display and continue the procedure if the paper loading is su...

Page 10: ...EDs Priority 1 Power Paper Ink Power off shutting down Flashes at high speed 1 Firmware update While preparing 2 Firmware update Starting Flashes OFF OFF Fatal error OFF Flashes at high speed Flashes at high speed 3 Ink waste pad overflow error Flashes alternately 1 Flashes alternately 2 4 Ink waste pad near end error Flashes alternately 1 Flashes alternately 2 5 Paper jam error Flashes 6 Initial ...

Page 11: ...Remove paper and push the Release error key to continue By pressing the Release error key ejects the paper and continue the procedure if the paper ejecting is success By pressing the Cancel key it cancels error display and cancels print data and returns from error status Paper out error Failure to load paper to print Set paper and push the Release error key to continue By pressing the Release erro...

Page 12: ...Confidential C H A P T E R 2 TROUBLESHOOTING ...

Page 13: ...1 25 seconds Flash at high speed Repeats turning On and Off every 0 5 seconds Flashes alternately 1 Same as the Flash Flashes alternately 2 Repeats turning Off and On every 1 25 seconds Table 2 1 List of Error Messages Error Status LED Indications See the table for Troubleshooting Power Paper Ink Paper out error Light Refer to Table 2 3 Troubleshooting of Paper Out Error P 11 Paper jam error Flash...

Page 14: ...4 1 Connect the Panel FFC to the Panel Board and Main Board connectors 2 Check the Panel FFC for damages 2 Replace the Panel FFC with a new one Panel Board 1 Check the Panel Board for damages 1 Replace the Panel Board with a new one Power Supply Board 1 Check that the connector cable of the Power Supply Board is connected to the Main Board connector CN60 1 Connect the connector cable of the Power ...

Page 15: ... cable to the PC and printer 2 Check the Interface cable for breaking 2 Replace the Interface cable with a new one USB 1 Check that the PC and printer are connected via the USB hub 1 Configure the USB ID setting Refer to Chapter 4 Adjustment Printer Driver 1 Check that the printer driver for L1800 has already been installed 1 Install the printer driver for L1800 2 Check that the connected printer ...

Page 16: ...ocedure is as follows 1 Place the cleaning sheet upside down and put it into the ASF Assy 2 Press the Paper Switch to start paper feed 3 Repeat the above steps several times To remove persistent contamination staple an alcohol dampened cloth to a postcard and clean the rollers in the following method 1 Place the alcohol dampened cloth toward the LD Roller surface of the ASF Assy 2 Hold the mount t...

Page 17: ...l the Sensor Holder correctly 3 Move the Detection Lever manually as when the paper passes and check that the Detection Lever returns to the original position automatically by the Torsion Spring when released Refer to the above photo 3 Replace the PE Sensor Holder Unit with a new one 4 Using a tester check that the PE Sensor is normal Paper absent 2 4V or more Paper present 0 4V or less 4 Replace ...

Page 18: ...not ejected completely and causes a jam near the Paper Eject Frame ASF Assy 1 Check that the paper is fed along the Right Edge Guide 1 Feed the paper along the Right Edge Guide Paper EJ Frame Assy 1 Check that the Star Wheel Units have not come off the Paper EJ Frame Assy 1 Securely install the Star Wheel Units to the Paper EJ Frame Assy 2 Check the Paper EJ Frame Assy for deformation or damages 2...

Page 19: ...r Assy P 76 2 Check that the position of the ASF Guide Roller LDs has been adjusted correctly 2 Adjust the position of the ASF Guide Roller LDs Refer to Chapter 3 ASF Assy P 71 Table 2 6 Troubleshooting of Maintenance Request Occurrence Timing Phenomenon Detail Faulty Part Part Name Check Point Remedy At power on At power on the printer does not operate at all Waste Ink Pads 1 Using the Adjustment...

Page 20: ...t power on the CR Motor does not operate at all CR Motor 1 Check the CR Motor connector cable for damages 1 Replace the CR Motor with a new one 2 Check if the CR Motor operates normally 2 Replace the CR Motor with a new one 3 Check that the CR Motor connector cable is connected to the Main Board connector CN115 3 Connect the CR Motor connector cable to the Main Board connector CN115 CN115 ...

Page 21: ...Maintenance At power on the PF Motor does not operate at all PF Motor 1 Check that the connector cable of the PF Motor is connected to the Main Board connector CN116 1 Connect the PF Motor connector cable to the Main Board connector CN116 2 Check the PF Motor connector cable for damages 2 Replace the PF Motor with a new one 3 Check if the PF Motor operates normally 3 Replace the PF Motor with a ne...

Page 22: ...ump Motor does not operate at all Pump Motor 1 Using a tester check the resistance value of the Pump Motor Value of resistance 10 3 10 1 If the resistance value is abnormal replace the Ink System with a new one 2 Check the Pump Motor connector cable for damages 2 Replace the Ink System with a new one 3 Check that the Pump Motor connector cable is connected to the Main Board connector CN117 3 Conne...

Page 23: ...ensor connectors 2 Check if the connector cables of the APG Sensor is broken 1 Connect the APG Sensor connector cables to the APG Sensor connectors 2 Replace the ASF Assy with a new ones 3 Check the APG Sensors for damages 3 Replace the APG Assy with a new one Table 2 7 Troubleshooting of Fatal Error Occurrence Timing Phenomenon Detail Faulty Part Part Name Check Point Remedy APG Sensors APG Senso...

Page 24: ... 10 2 If the resistance value is abnormal replace the ASF Motor with a new one 3 Check the ASF Motor connector cable for damages 3 Replace the ASF Motor with a new one Relay connector cable 1 Check that the Relay connector cable is connected to the Main Board connector CN119 1 Connect the Relay connector cable to the Main Board connector CN119 2 Check the Relay connector cable for damages 2 Replac...

Page 25: ...right of the Frame then hits the left of the Frame CR Scale 1 Check that the CR Scale is inserted in the slit of the CR Encoder Sensor 1 Insert the CR Scale into the slit of the CR Encoder Sensor 2 Check the CR Scale for damages and dirt 2 Wipe off the dirt completely or replace the CR Scale with a new one CR Encoder Sensor Board 1 Check the CR Encoder Sensor for paper dust etc 1 Remove the paper ...

Page 26: ...rn PF Encoder Sensor Holder 1 Check that the PF Encoder Sensor Holder is mounted correctly 1 Install the PF Encoder Sensor Holder correctly 2 Check that the FFC of the PF Encoder Sensor is securely connected to the PF Encoder Sensor Board connector and Relay Board connector CN6 2 Connect the PF Encoder Sensor FFC to the PF Encoder Sensor Board and Relay Board connector CN6 3 Check the PF Encoder S...

Page 27: ...nd dirt 2 Replace the PF Scale with a new one During printing After receiving a print data an error is displayed on the LED and STM3 Head FFC Sensor FFC 1 Check that the Head FFC and the Sensor FFC are securely connected to the Main Board connectors CN9 CN12 CN13 and CN14 1 Connect the Head FFC and the Sensor FFC to the Main Board connectors CN9 CN12 CN13 and CN14 Table 2 7 Troubleshooting of Fata...

Page 28: ...th a new one Head FFC 1 Check that the Head FFC is securely connected to the Print Head connectors 1 Connect the Head FFC to the CR Relay Board connectors CN1 and CN2 2 Connect the Head FFC to the Print Head connectors 2 Check the Head FFC for damages 3 Replace the Head FFC with a new one Ink is not ejected from most nozzles Print Head 1 Check for occurrence of Head Hot 1 Replace the Print Head wi...

Page 29: ...to the Cap Ink System Unit Cap 1 Check for foreign matter around the Seal Rubber on the Cap Unit 1 Remove the foreign matter around the Seal Rubber completely 2 Check that the Extension Spring 1 19 IS is correctly installed to the Cap Unit 2 Replace the Ink System Unit with a new one Although inks are ejected from the Print Head to the Cap the trouble still occurs after executing a cleaning cycle ...

Page 30: ...Head FFC with a new one If the trouble still occurs after replacing it replace the Print Head with a new one Head FFC 1 Check that the Head FFC is securely connected to the Print Head connectors 1 Connect the Head FFC to the CR Relay Board connectors CN1 and CN2 2 Connect the Head FFC to the Print Head connectors 2 Check the Head FFC for damages 3 Replace the Head FFC with a new one If the trouble...

Page 31: ...orizontal or vertical banding Getting smeared Although inks are ejected from the Print Head to the Cap the trouble still occurs after executing a cleaning cycle Head FFC 1 Check that the Head FFC is securely connected to the Main Board connectors CN12 CN13 and CN14 1 Connect the Head FFC to the Main Board connectors CN12 CN13 and CN14 2 Check the Head FFC for damages 2 Replace the Head FFC with a ...

Page 32: ...ad FFC to the Print Head connectors 2 Check the Head FFC for damages 3 Replace the Head FFC with a new one If the trouble still occurs after replacing it replace the Print Head with a new one Print Head 1 Check if the print quality recovers after running a cleaning 1 Run the cleaning several times If the trouble still occurs replace the Print Head with a new one Main Board 1 Check the Main Board f...

Page 33: ...th and then apply G 71 grease Refer to Chapter 5 Maintenance 3 Check that the Carriage Shaft is mounted horizontally 3 Reassemble the Carriage Shaft correctly 4 Check the Carriage Shaft for damages 4 Replace the Carriage Shaft with a new one Narrow stripes of the same width appear horizontally to the CR moving direction If the trouble still occurs after doing all measures described in the right ha...

Page 34: ...river Print Head 1 Using the Adjustment Program check that the correct Head ID has been written to the EEPROM 1 Using the Adjustment Program enter the 24 digits code of the Head ID to the EEPROM Refer to Chapter 4 Adjustment The bottom of the printout is not evenly colored Adjustment 1 Check if the Positioning Adjustment of PF Roller Shaft Retainer has been performed properly 1 Make adjustments ac...

Page 35: ...r data are printed on the Front Paper Guide extending off the paper PW sensor 1 Check that the PW Sensor FFC is connected 1 Connect the PW Sensor FFC 2 Check that the PW Sensor is not faulty 2 Replace the PW Sensor with a new one Ink smudges appear on the blank area of the printout Paper EJ Frame Assy 1 Check the Star Wheel Rollers for ink stain 1 Clean the Star Wheel Rollers with a soft cloth Fro...

Page 36: ... Roller Assys with a soft cloth Driven Roller Shaft 1 Check the Driven Roller Shaft for ink stain 1 Clean the Driven Roller Shaft with a soft cloth Ink System Unit 1 Check that wiping operation was performed properly 1 Install the Cleaner blade correctly or replace it with a new one Table 2 8 Print Quality Troubles Observed Faults Details of the Fault Faulty Part Part Name Check Point Remedy Drive...

Page 37: ...made correctly check whether PW Sensor has been adjusted properly 1 Make the adjustment according to the specified adjustment priority Refer to Chapter 4 Adjustment 2 Print the adjustment check patterns and check if the printed images are still poor or grainy 2 If the image quality does not improve after the adjustment replace the Print Head and Main Board in this order and check the image grainin...

Page 38: ...even though Carriage moves and paper is fed Valve Valve Lever 1 Check that Valve of Ink Tank opens 1 Open Valve Ink Tube 1 Check that Ink Tubes are not crumpled 1 Release crumpled Ink Tube Adapter Ink Tube Tube Joint Ink Supply Tank 1 Check that Ink Tube connections are complete 1 Reassemble Ink Tubes and compete their connections Table 2 9 Abnormal Noise Occurrence Timing Details of the Fault Fau...

Page 39: ...Confidential C H A P T E R 3 DISASSEMBLYANDASSEMBLY ...

Page 40: ...ling work of this product always disconnect the power cable When the power supply cable must be connected for voltage measurement or like be extremely careful not to get an electric shock and follow the procedures in this manual to do your work Wear protective goggles to protect your eyes from ink If ink gets in your eyes wash your eyes with clean water and see a doctor To prevent injury from shar...

Page 41: ...following table and use the specified screws in the specified positions Table 3 1 List of Tools Tool Name Code Phillips Screw Driver No 1 1080530 Phillips Screw Driver No 2 Flathead Screwdriver Tweezers Needle nose pliers Nipper Acetate tape 1003963 PF Tension Measuring Tool 1294120 Penlight Strong tape 1032813 Table 3 2 List of Screw Types No Name No Name 1 C B P M3x10 11 C C M3x4 2 C B S M3x6 12...

Page 42: ...emoving the following parts from L1800 This section describes the parts that may cause ink spill and the means to minimize the ink spill when removing the parts THE PARTS THAT MAY CAUSE INK SPILL WHEN REMOVING Figure 3 2 Location Ink Supply Tank Assy Ink Supply Tank Assy Ink Supply Tank Assy Air release hole Do not place the Ink Supply Tank Assy with the air release holes down or to one of the sid...

Page 43: ...joint and put its tip into the container for the ink 4 Open the choke valve to discharge the ink in the Ink Supply Tank Assy to the container Figure 3 4 Discharging Ink 1 C A U T I O N Even observing the points described in this section ink may spill in the following situations Therefore be careful not to contaminate the inside of the printer or its surroundings by preparing the container to recei...

Page 44: ...njector tip of 3 2 mm Tube Joint Ink Supply Tank Tube C H E C K P O I N T It is recommended that the ink in the Ink Supply Tank should be discharged completely before proceeding to disassembling reassembling After all the reassembling work is complete the discharged ink of each color should be refilled back to the Ink Supply Tank before performing the adjustment Confirm the colors indicated on the...

Page 45: ...om left of the Adapter Cover 3 Move the carriage in the direction of the arrow 130 digit side in Figure 3 6 until it touches the Carriage Lock 4 Pull the tape toward the right side of the housing and attach it tightly along the shapes of the housing as shown in Figure 3 6 to secure the Carriage Unit Figure 3 6 Securing the Carriage Unit Securing the Ink Tank Prepare two pieces of strong tape lengt...

Page 46: ... rotate the white shaft of the Ink System Unit Figure 3 8 Release the Carriage Lock The Valve Lever is on the position shown below the Choke Valve is closed See Figure 3 3 All the caps of the Ink Supply Tank Assy are securely closed The hooks x2 of the Ink Supply Tank Assy are securely engaged with the Decoration Plate Right The opened ink bottle is not included in the box Valve Lever Cap Ink Supp...

Page 47: ...ly removed by using a special tool The method for making the tool is described below 1 Prepare a handle part of a clip or a similar metal wire piece Figure 3 9 Method for making Adapter Guide Holder Removal Tool 1 2 Bend the metal wire into dimensions described below Figure 3 10 Method for making Adapter Guide Holder Removal Tool 2 Handle part Clip 7mm 25mm 50mm Special Tool ...

Page 48: ...Paper Guide Assys p 91 PF Roller Shaft p 88 PW Sensor p 98 CR Encoder p 97 Carriage Shaft Carriage Unit p 63 APG Assy p 55 CR Scale p 56 ASF Motor p 96 Lower Housing Printer Mechanism p 61 C H E C K P O I N T The boxes shown in a dotted line are not the shortest procedures but are necessary to proceed to the next step Since a prototype was used to illustrate these disassembly and assembly procedur...

Page 49: ...p 61 Upper Paper Guide Assys p 91 PE Sensor Holder p 99 Release Holder Assy p 90 APG Assy p 55 ASF Assy p 71 PE Sensor Holder p 99 PF Motor p 95 Waste Ink Pad p 79 Front Paper Guide Pad p 78 A B Adapter section p 101 Ink Supply Tube Assy section p 102 Ink Supply Tank Tube Assy section p 104 Ink Supply Tank Assy section p 105 Foot p 80 ...

Page 50: ...Support Assy Figure 3 13 Removing the Paper Support Assy 3 2 2 Stacker Assy 1 To disengage the guide pin on the right of the Stacker Assy push the Stopper in the direction of the arrow with a flathead screwdriver or similar tool 2 Pull out the left guide pin of the Stacker Assy and remove the Stacker Assy Figure 3 14 Removing Stacker Assy Paper Support Assy Guide pin Guide pin Stopper Guide pins S...

Page 51: ...he two C B P M3 x 8 screws and the C B S M3 x 6 screw that secure the Rear Housing 2 Disengage the two tabs from the Upper Housing and remove the Rear Housing Figure 3 17 Removing the Rear Housing When installing the Front Decoration Plate L R insert the two hooks at the bottom of them into the holes of the Lower housing then secure the Front Decoration Plate L R with the other hooks Figure 3 16 R...

Page 52: ...ch on the left right with the positioning holes one each on the left right on the Upper Housing Align the positioning tabs three each on the left right with the positioning holes three each on the left right on the Decoration Plate Left Right and the Lower Housing Figure 3 18 Reinstalling the Rear Housing Positioning tab Hook this to the Upper Housing Positioning tab Panel Unit Printer Cover ...

Page 53: ... 3 Disconnect the Panel FFC from the Panel Board connector and remove the Panel Unit Figure 3 20 Removing the Panel Unit 2 Hook Tab Connector Panel FFC Panel Unit Be careful not to get the Panel FFC caught underneath the hooks on the Panel Unit Secure the Panel FFC to the Panel Unit with a piece of double sided tape Figure 3 21 Securing the Panel FFC Panel Unit Double sided tape Panel FFC ...

Page 54: ...and remove the Ink Eject Cover 2nd 6 Remove the two C B P M3 x 8 screws that secure the Decoration Plate Right Figure 3 22 Removing the Decoration Plate Left Right 1 7 Release the three hooks on the front of the Decoration Plate Right and lift the plate a little to release the tab and the four guide pins on the upper side then remove the Decoration Plate Right 8 In the same way as in Step 7 remove...

Page 55: ...late L R first align the hooks of the Decoration Plate L R two each with the ribs of the Lower Housing two each on the left right and then align the tab inside the Decotrative Plate L R one each with the positioning hole on the Upper Housing one each on the left right Figure 3 24 Reinstalling the Decoration Plate Left Right For the Decoration Plate Right Ink Eject Cover 2nd and Ink Eject Cover 1st...

Page 56: ...ding Plate properly protrudes through the cutout of the Upper Housing Figure 3 26 Routing the Panel FFC Tighten the screws in the order shown in Figure 3 25 A D J U S T M E N T R E Q U I R E D After replacing the following parts be sure to apply G 74 grease to the area specified for each part Upper Housing See Figure 5 14 on page 139 Upper Housing Grounding Plate Insert the tabs two each on the le...

Page 57: ...s that secure the Upper Housing Support Assy and remove the Upper Housing Support Assy Figure 3 29 Removing the Upper Housing Support Assy C A U T I O N Be careful not to damage the surface in step 3 and later C A U T I O N When performing the following steps be careful not to damage the tabs of the Printer Cover Holder Right Printer Cover Upper Housing Tab Printer Cover Holder Right A D J U S T M...

Page 58: ... the near side one by one Figure 3 31 Connector Layout of the Main Board 130 Digit Side 4 Pull out the Board Assy from the Printer Figure 3 32 Removing the Board Assy 2 Tighten the screws in the order shown in Figure 3 30 Board Assy 2 5 6 15 C B S P2 M3x8 6 1 kgf cm 1 3 4 7 5 C B S M3x8 6 1 kgf cm 2 C B S M3x6 6 1 kgf cm No Connector No Connector CN4 Panel Board CN115 CR Motor CN5 Relay FFC for se...

Page 59: ...om connector CN60 on the Main Board p 54 3 Remove the four C B S M3 x 6 screws that secure the Power Board and remove the Power Board from the Board Assy Figure 3 34 Removing the Power Board Confirm that the FFCs do not cross each other first then connect the FFCs and the cables to the Main Board while paying attention to the edge of the Shield Plate 2 1 4 3 CN60 Main Board 14 C P M3x4 6 1 kgf cm ...

Page 60: ...cables from the two APG Sensor connectors Figure 3 35 Disconnecting the Cables 5 Remove the three C B S M3 x 6 screws that secure the APG Assy and remove the APG Assy from the Main Frame Figure 3 37 Removing the APG Assy APG Assy APG Motor APG Sensor connectors CN118 Hook the APG Motor cable on the two tabs of the ASF Assy Acetate tape A Acetate tape B Referring to Figure 3 35 correctly route the ...

Page 61: ...r of the Carriage Unit Figure 3 39 Pulling out the CR Scale Align the phase of the APG Assy in the following procedure 1 Align the delta marks of Spur Gear 16 and Combination Gear 22 28 8 32 4 2 At the position where the tab can be identified through the notch of the PG Frame align the delta marks of Spur Gear 16 and PG Cam Left Figure 3 38 Phase Aligning Tighten the screws in the order shown in F...

Page 62: ...ing procedure 6 1 Stand the coil section 6 2 Lower the coil section downwards to remove Foot 1 from the notch on the Left CR Shaft Mounting Plate 6 3 Turn the coil section counterclockwise 6 4 Remove Torsion Spring 24 7 from the hole on the CR Scale Figure 3 41 Removing the Torsion Spring 24 7 2 7 Turn the CR Scale 90º and remove it from the tab on the Left CR Shaft Mounting Plate Figure 3 42 Remo...

Page 63: ...e Adapter Guide Holder 1 Pass the CR Scale through the slot on the CR Encoder Figure 3 43 Reinstalling the CR Scale 1 Set the left end of the CR Scale with the black mark facing upwards Figure 3 44 Reinstalling the CR Scale 2 Place the right end of the CR Scale correctly so that it is not hooked onto the Right CR Shaft Mounting Plate Figure 3 45 Reinstalling the CR Scale 3 CR Encoder CR Scale CR S...

Page 64: ...uide Holder removal tool p42 disengage tab B of the Adapter Guide Holder on the right rear side of the Carriage Unit Figure 3 48 Removing the Adapter Guide Holder 3 7 Lift the Adapter Guide Holder and remove it Figure 3 49 Removing the Adapter Guide Holder 4 8 Remove the three C B P M2 6 x 8 screws that secure the Printhead using the Phillips Screw Driver No 1 and vertically lift the Printhead to ...

Page 65: ...ead FFCs on the back side and remove the Printhead Figure 3 51 Removing the Printhead 2 Tighten the screws in the order shown in Figure 3 50 A D J U S T M E N T R E Q U I R E D After replacing or removing the Printhead always make the required adjustments referring to the following Chapter 4 Adjustment p 109 Head FFC ...

Page 66: ...nd remove the Shield Plate Holder 8 Remove the five screws four C B P M3 x 10 screws and one C B S P2 M3 x 10 screw secure the Printer Mechanism 9 Lift the Printer Mechanism grasping it by the holding positions with your hands and remove it from the Lower Housing Figure 3 53 Screws that Secure the Printer Mechanism C A U T I O N When performing the following step make sure to grasp the Printer Mec...

Page 67: ...tling and then secure the Shield Plate Holder to the Lower Housing 4 Secure the Printer Mechanism and Lower Housing with screws x5 Tighten the screws in the order shown in Figure 3 53 5 Secure the electrode cable to the Front Paper Guide with the screw Right Rear Left Rear Positioning hole and guide pin Positioning hole and guide pin Insert the Waste Ink Tube with the red line into the Ink Tube Fi...

Page 68: ... rib on the Parallelism Adjust Bushing Left Right before removing them and make sure to align the markings with the ribs when installing them Figure 3 56 Marking Position Parallelism Adjust Bushing Left Mark the position of the rib Parallelism Adjust Bushing Right Mark the position of the rib PG Cam Right Insert the Left Frame Support Plate into the notch on the Main Frame See Figure 3 58 p 63 Ali...

Page 69: ...Removing the Right PG Torsion Spring 8 Remove CR Shaft Mounting Plate Fixed Spring from the tab and notch on the Main Frame and pull out the spring in the direction of the arrow Figure 3 62 Removing CR Shaft Mounting Plate Fixed Spring Left PG Torsion Spring Tab A Tab B Right PG Torsion Spring Tab A Tab B Place the feet of Left PG Torsion Spring and Right PG Torsion Spring on the Carriage Shaft Fi...

Page 70: ...the Driven Pulley Holder 11 Remove the CR Drive Belt from the CR Motor Pinion Gear Figure 3 65 Removing the CR Drive Belt 12 Remove the four C B S P4 M3 x 6 screws that secure the CR Guide Plate and remove it from the Main Frame Figure 3 66 Removing the CR Guide Plate Tabs Extension spring for the Driven Pulley Holder Driven Pulley Holder Driven Pulley Driven Pulley Holder Align the positioning ho...

Page 71: ...haft Mounting Plate from the notch on the Main Frame to rotate the Mounting Plate toward you Figure 3 68 Rotating the Left CR Shaft Mounting Plate 15 Lift the Carriage Shaft upwards and remove the Carriage Shaft Spacer from the Carriage Shaft with tweezers Figure 3 69 Removing the Carriage Shaft Spacer 16 Rotate the Left CR Shaft Mounting Plate toward you to remove the Bushing on the Left CR Shaft...

Page 72: ...he Spacer and Right PG Cam from the Carriage Shaft Figure 3 72 Removing Right PG Cam 19 Pull the Right CR Shaft Mounting Plate away from the tab on the Main Frame and rotate toward you Figure 3 74 Rotating the Right CR Shaft Mounting Plate Spacer PG Cam Left Hole on Main Frame Spacer Right PG Cam Install the Right PG Cam so that one of these positions marked 0 or faces downward Figure 3 73 Right P...

Page 73: ... Removing the Carriage Shaft C A U T I O N When performing the following procedure take care not to scratch the Carriage Shaft Carriage Unit Carriage Shaft Point of Interference CR Scale Cover 1 2 3 Set the longer end of the Carriage Shaft to the left side When the Carriage Shaft is removed the Plain spring and Leaf spring that are attached to the right end of the Carriage Shaft may drop off In su...

Page 74: ... of the Carriage Unit and then remove the Ink Guide upward Figure 3 77 Removing the Ink Guide 22 Turn the Belt Holder Mounting Plate in the direction of the arrow and remove it from the Carriage Unit Figure 3 78 Removing the Belt Holder Mounting Plate 23 Remove the Belt Holder from the Carriage unit Figure 3 79 Removing the Belt Holder Holes Bottom Side Ink Guide Hook Ink Guide Cross section Tab B...

Page 75: ... the Carriage Unit and remove the Carriage Unit Figure 3 81 Removing the Carriage Unit Tabs CR Encoder Board Holder A D J U S T M E N T R E Q U I R E D After replacing or removing the Carriage Shaft and Carriage Unit always make the required adjustments referring to the following Chapter 4 Adjustment p 109 A D J U S T M E N T R E Q U I R E D After replacing or removing the Carriage Shaft and Carri...

Page 76: ... Sensor cable CN6 PF Encoder Sensor FFC 6 Peel off the acetate tape A and acetate tape B and disconnect all the FFCs from the connectors on the Main Board then release them from the ASF Assy 7 Remove the APG Motor cable and PE Sensor cable from the ASF Assy 8 Peel off the PF Encoder FFC secured by two pieces of double sided adhesive tape from the ASF Assy Figure 3 83 Releasing the Cables 2 Secure ...

Page 77: ...Figure 3 84 Applying the Acetate tape A C H E C K P O I N T When only removing the ASF Assy you do not need to perform 4 3 5 ASF Guide Roller LDs Position Adjustment p131 In that case mark the installing positions of the Guide Roller LDs before removing them and make sure to align the markings when installing the Guide Roller LDs Figure 3 85 Marking Position APG Motor cable Acetate tape A 18 x 13 ...

Page 78: ...rinter Mechanism Figure 3 87 Removing the ASF Assy 2 1 6 C B S P4 M3x8 6 1 kgf cm ASF Assy 6 C B S P4 M3x8 6 1 kgf cm 34 Align the guide pin and four Tabs on the ASF Assy with the positioning holes on the Main Frame so that there is no gap between the ASF Assy and the Main Frame Figure 3 88 Reinstalling the ASF Assy Tighten the screws in the order shown in Figure 3 87 Tab Tab Guide pins Tab Tab ...

Page 79: ...D Spur Gear and remove the LD Spur Gear from the LD Roller Shaft Figure 3 89 Removing the LD Roller 1 A D J U S T M E N T R E Q U I R E D After replacing or removing the ASF Assy always make the required adjustments referring to the following Chapter 4 Adjustment p 109 C H E C K P O I N T When replacing the LD Roller replace the Retard Roller Assy together with the LD Roller Refer to 3 4 8 Retard ...

Page 80: ...at secure the ASF Support Plate from the bottom side of the ASF Assy and remove the ASF Support Plate from the ASF Assy Figure 3 91 Removing the LD Roller 3 7 While bending the LD Roller Shaft slightly detach it from the shaft hole on the left side of the ASF Assy and remove the LD Roller Shaft 8 Remove the LD Roller from the LD Roller Shaft Figure 3 92 Removing the LD Roller 4 Inside LD Roller Sh...

Page 81: ...he phases of the ASF Sensor Flag and LD Roller Shaft as shown below Figure 3 94 Reinstalling the ASF Sensor Flag A D J U S T M E N T R E Q U I R E D After replacing the following parts be sure to apply G 26 and G 75 grease to the area specified for each part ASF Frame See Figure 5 15 on page 140 LD Roller Shaft See Figure 5 16 on page 140 Hopper See Figure 5 17 on page 140 LD Roller Triangular gro...

Page 82: ...2 Insert the two shafts of the Retard Roller Assy to the two holes of the ASF Assy Figure 3 97 Reinstalling the Retard Roller Assy Extension spring Retard Roller Assy Tab Retard Roller Assy Shafts and Holes See below for installing the torsion spring of the Paper Back Lever Right Figure 3 98 Reinstalling the Torsion Spring Put the spring leg through the hole of ASF Assy Attach the spring leg on th...

Page 83: ...ling the Front Paper Guide Pads lift the Printer Mechanism and check the following points 1 Make sure that the tabs on the Pads are not cut midway 2 Make sure that all tabs are in place on the Front Paper Guide and that they are facing down towards the Waste Ink Pads without any folds 3 Make sure that the tab foldbacks are protruding completely from the Front Paper Guide Figure 3 100 Reinstalling ...

Page 84: ...3 102 Removing the Waste Ink Pads 4 C B P M3x8 6 1 kgf cm Waste Ink Pads Route the Waste Ink Tube as shown below Figure 3 103 Positions of Waste Ink Tubes Referring to Figure 3 104 correctly install the Waste Ink Pads Figure 3 104 Installing the Waste Ink Pads A D J U S T M E N T R E Q U I R E D After replacing or removing the Waste Ink Pads and the Waste Ink Pad always make the required adjustmen...

Page 85: ...Remove the Upper Housing Support Assy p 52 2 Remove the Ink Supply Tube Assy section p 102 3 Remove the Ink Supply Tank Tube Assy section p 104 4 Remove the Left Frame Support Plate Refer to 3 4 5 Carriage Shaft Carriage Unit Step4 p63 Step5 p63 5 Return the rotation position of the Right PG Cam 6 Remove the four C B S M3 x 6 that secure the Paper EJ Frame Assy Figure 3 106 Screws that Secure the ...

Page 86: ...cratch the Star Wheel Star Wheel Roller Paper EJ Frame Assy Hook both rear ends of the Paper EJ Frame Assy onto the tabs on the Main Frame Figure 3 108 Reinstalling the Paper EJ Frame Assy Align the tabs with the five positioning holes See Figure 3 106 p 80 Tighten the screws in the order shown in Figure 3 106 A D J U S T M E N T R E Q U I R E D After replacing or removing the Paper EJ Frame Assy ...

Page 87: ... the Cord Keep Figure 3 109 Removing the Pump Motor cable 8 Remove the two C B S M3 x 4 screws that secure the Ink System Guide Plate and remove it Figure 3 110 Removing the Ink System Guide Plate Referring to Figure 3 140 attach two pieces of acetate tape to the frame Referring to Figure 3 141 route the Pump Motor cable the Relay connector cable and the CR Motor connector cable CN117 Main Board P...

Page 88: ... the Right Support Frame from the Main Frame Figure 3 113 Removing the Right Support Frame Tighten the screws in the order shown in Figure 3 112 2 Rear Front 1 2 C B S M3x6 8 1 kgf cm Align the positioning holes on the Right Support Frame with the guide pins on the Main Frame Figure 3 114 Installing the Right Support Frame Tighten the screws in the order shown in Figure 3 113 2 Upper surface 2 C B...

Page 89: ...the Ink System Unit downwards from the Main Frame Figure 3 115 Removing the Ink System Unit Ink System Unit Align the positioning two holes on the Main Frame with the two guide pins on the Ink System Unit Figure 3 116 Reinstalling the Ink System Unit Positioning holes Main Frame Guide pins Ink System Unit ...

Page 90: ...ve the Spacer from the EJ Roller Shaft 6 Remove the guide pins on Left Bushing 8 from the Main Frame using tweezers and turn Left Bushing 8 toward you to align with the notches on the Main Frame Figure 3 119 Removing the Spacer and Rotating the Left Bushing 8 7 Slide the Front Paper EJ Roller to the left and remove the Left Bushing 8 from the Main Frame Figure 3 120 Removing the Left Bushing 8 Ref...

Page 91: ...together with the Paper EJ Roller Figure 3 121 Removing the Front Paper Guide Paper EJ Rollers 1 11 Pull out the Shaft of the Left Front Frame from the bushing of the Front Paper Guide and remove the Left Front Frame Figure 3 122 Removing the Front Paper Guide Paper EJ Rollers 2 Tab Paper EJ Rollers Front side Front Paper Guide Paper EJ Rollers Back side 2 C B S M3x6 2 C B S M3x6 8 1 kgf cm Left F...

Page 92: ...aste Ink Pads without any folds 3 Make sure that the tab foldbacks are protruding completely from the Front Paper Guide Figure 3 125 Checking the Front Paper Guide Pad Guide pins Tab Bottom of Front Paper Guide A D J U S T M E N T R E Q U I R E D After replacing the following parts be sure to apply G 45 grease to the area specified for each part EJ Grounding Spring See Figure 5 8 on page 138 Front...

Page 93: ... PG Grounding Spring from the notch on the Main Frame and remove the PF Grounding Spring from the groove on the PF Roller Shaft Figure 3 127 Removing the PF Grounding Spring 7 Make sure that the Left Parallelism Adjust Bushing is not protruding from the notch on the Main Frame If it is protruding loosen the C B S P4 M3 x 8 screw that secures the Left Parallelism Adjust Bushing and slide it to prev...

Page 94: ...the Rear Paper Guide and the Center Support slide the PF Roller Shaft to the left to remove it from Right Bushing 8 and remove the PF Roller Shaft along the notch of the Main Frame Figure 3 132 Removing the PF Roller Shaft C A U T I O N When performing the following procedure take care not to lose the E ring Left Bushing 8 Guide pin Notch E Ring PF Roller Shaft C A U T I O N When performing the fo...

Page 95: ...se Holder Assy C A U T I O N Be careful not to move Compression Spring 4 and the Leaf Spring on the left side of the PF Roller Shaft to the coated section on the Shaft after removing the PF Roller Shaft Figure 3 133 Handling the PF Roller Shaft A D J U S T M E N T R E Q U I R E D After replacing the PF Roller Shaft always make the required adjustments referring to the following Chapter 4 Adjustmen...

Page 96: ...ve the PE Sensor Holder p 99 3 Pass a sheet of A3 size paper into the gap between the Upper Paper Guide Assy and the Rear Paper Guide Figure 3 135 Setting the Paper Align the three upper tabs on the Release Holder Assy with the positioning holes on the Main Frame See Figure 3 134 p 90 Tighten the screws in the order shown in Figure 3 134 A3 size paper Rear Paper Guide ...

Page 97: ...t the six Upper Paper Guide Assys from the Main Frame to release the shaft referring to Figure 3 137 and remove the Upper Paper Guide Assys to the rear Figure 3 138 Removing the Upper Paper Guide Assy Upper Paper Guide Torsion Sprig Tab Upper Paper Guide Assys Tabs Upper Paper Guide Assys Make sure that the leading end of the Upper Paper Guide Torsion Spring can be seen through the hole of the Upp...

Page 98: ... connector cable from the connector CN115 on the Main Board 5 Remove the CR Motor connector cable from the Cord Keep Figure 3 139 Removing the CR Motor connector cable Cord Keep CN115 Main Board CR Motor connector cable Attach two pieces of acetate tape 18 mm on the Upper Shield Plate Figure 3 140 Attaching acetate tape Route the cables as shown below Figure 3 141 Routing the cables Acetate tape 1...

Page 99: ...ve the CR Motor from the Main Frame Figure 3 143 Removing the CR Motor CR Drive Belt Driven Pulley CR Motor Pinion Gear 2 1 19 C B M3x4 4 0 5 kgf cm Make the Lot No printed surface on the CR Motor face the direction shown in the figure below Figure 3 144 Reinstalling the CR Motor Tighten the screws in the order shown in Figure 3 143 A D J U S T M E N T R E Q U I R E D After replacing the CR Motor ...

Page 100: ...lt from the PF Motor Pinion Gear and remove the PF Motor from the Printer Mechanism Figure 3 145 Removing the PF Motor 1 2 PF Motor connector cable Clamp PF Drive Belt CN116 PF Motor Pinion Gear 11 C C M3x4 4 0 5 kgf cm A D J U S T M E N T R E Q U I R E D Make the slit on the PF Motor face the direction shown in the figure below Figure 3 146 Reinstalling the PF Motor Tighten the screws in the orde...

Page 101: ...nnector 4 Remove the two C B P M3 x 8 screws that secure the ASF Motor and remove the ASF Motor Figure 3 147 Removing the ASF Motor Secure the grounding wire and the ASF Motor together with the screw in the middle of the printer Tighten the screws in the order shown in Figure 3 147 Cable Hook ASF Motor 4 C B P M3x8 1 2 Earth cable Attach a piece of acetate tape 60 mm on the ASF Motor Cable as show...

Page 102: ...ensor Board and remove the CR Encoder Sensor Board Figure 3 149 Removing the CR Encoder Sensor Board 3 6 2 PF Encoder 1 Remove the Upper Housing Printer Cover p 50 2 Disconnect the FFC from the PF Encoder Sensor Board 3 Remove the C B S M3 x 8 screw that secures the PF Encoder Sensor Holder Figure 3 150 Removing the FFC and the Screw that Secures the PF Encoder Sensor Holder PW Sensor FFC Connecto...

Page 103: ...t secures the PW Sensor Holder and remove the PW Sensor Holder from the Carriage Unit Figure 3 153 Removing the PW Sensor Holder 3 Disconnect the PW Sensor FFC from the PW Sensor connector and remove the PW Sensor Figure 3 154 Removing the PW Sensor Make sure that the PF Scale is in the slit on the PF Encoder Sensor Make sure that the PF Encoder Sensor is not in contact with the PF Scale Figure 3 ...

Page 104: ... tabs that secure the PE Sensor Holder from the notch on the Main Frame with a flathead screwdriver and slide the PE Sensor Holder upwards and then remove it toward you Figure 3 156 Removing the PE Sensor Holder Make sure that the PW Sensor FFC is routed as shown in Figure 3 154 A D J U S T M E N T R E Q U I R E D After replacing or removing the PW Sensor always make the required adjustments refer...

Page 105: ... 100 Confidential Align the four tabs and guide pin on the PE Sensor Holder with the positioning holes on the Main Frame correctly so that there is no gap between the PE Sensor Holder and the Main Frame Figure 3 157 Reinstalling the PE Sensor Guide Guide pin Tabs ...

Page 106: ...e Carriage Unit move the Carriage Unit from side to side while holding the Timing Belt to make sure that the Ink Supply Tube Assy does not apply extra load of the Carriage Unit movement CBP 3X8 6 1 kgf cm Carriage Unit Adapter Cover Ink Supply Tube Assy Dowel and Hole Timing Belt Hook Be careful not to damage or peel off the film of the Adapter Use a precision screwdriver when releasing the hooks ...

Page 107: ...Guide Sheet Tube Guide Sheet Hole 1 Follow the procedure below when installing the Tube Guide Sheet w Tube Guide Sheet sub 1 Insert the tabs x2 on the Tube Guide Sheet w Tube Guide Sheet sub in the holes x2 on the Ink Supply Tube Guide 2nd then attach the Tube Guide Sheet w Tube Guide Sheet sub to the printer 2 Install the Ink Supply Tube Assy p 103 3 Insert the section A of the Tube Guide Sheet S...

Page 108: ... attaching the one nearest to the 130 digit side align it with the Marking Position A on the Ink Supply Tube Assy 4 Connect the Ink Supply Tube to the Adapter and install the Adapter to the Carriage Unit p 101 5 Route the Ink Supply Tubes through the grooves on the Carriage Unit and align the Marking Position C on the Ink Supply Tubes with the edge of the grooves as shown in the figure above Tube ...

Page 109: ...nnect them with wrong joints When connecting the Ink Supply Tank Tubes to the Ink Supply Tank insert the tubes to the full and make sure the gaps between the end of tubes and the tank are 0 5 mm long or less Route the tube through the arch on the Bottom Tube Holder Take care not to catch the Ink Supply Tank Tube then Route Yellow Black and Light Cyan of the Ink Supply Tank Tube Assy through the ho...

Page 110: ...nk Supply Tube Guide 1st Make sure the gaps between the end of Ink Supply Tank Tubes or Ink Supply Tubes and the Joint are 0 5 mm long or less When connecting the Ink Supply Tank Tube to the Joint take care noto to connect it to a wrong joint 0 5 mm or less Ink Supply Tube Ink Supply Tank Tube Joint 0 5 mm or less Joint Rib Ink Supply Tube Ink Supply Tube Guide 1st Joint Cutout Attach the Refillin...

Page 111: ...ve Holder Front without any twist Follow the procedure below when installing the Tube Valve Holder Rear 1 Insert the ribs x2 of the Tube Valve Holder Rear under the hooks x2 of the Valve Case 2 Align the dowels x4 of the Tube Valve Holder Rear with the positioning holes x2 of the Ink Supply Tank and the positioning holes x2 of the Tube Valve Holder Front 3 Make sure no Ink Supply Tank Tubes are ca...

Page 112: ... the gap between the Right Cover and the Tube Valve Holder Rear to release the hook of the Valve Lever and then remove the Valve Lever Flathead precision screwdriver Ink Supply Tank Assy Right Cover Valve Lever Hook Tube Valve Holder Rear Be careful not to damage or peel off the film of the Ink Supply Tank Be careful about how to place the Ink Supply Tank Assy in order to prevent printing failure ...

Page 113: ...en disassembling reassembling p 37 The figures above indicate the hooks and ribs that secure the parts Remove the exterior parts of the Ink Supply Tank Assy in the following order 1 Remove the screws x8 of the Bottom Cover and remove the Bottom Cover 2 Remove the Left Cover and Right Cover 3 Remove the Cover Joint Tighten the screws in the order indicated in the figure above Ink Supply Tank Assy H...

Page 114: ...Confidential C H A P T E R 4 ADJUSTMENT ...

Page 115: ...0 digit side to ensure consistent print quality See 4 3 2 PG Adjustment p 124 EEPROM Data Copy This adjustment is made to read out the necessary information from the EEPROM using the D4 function If this copy is completed successfully all the other adjustments required after replacing the main board are no longer necessary 1 Select this function in the Adjustment Program 2 Read out the data from th...

Page 116: ...ue is saved to the specific EEPROM address of the Main Board Head angular adjustment This adjustment is made to correct the error in the Print Head mounting position Head angle to make the nozzle line straight with respect to the paper feeding direction Angular displacement is also checked for 1 Select this function in the Adjustment Program and print the adjustment pattern 2 After checking the di...

Page 117: ...t with the main board replacement the correction value cannot be recalculated since the condition is the different from when it s new therefore enter the worst value on which heat generation limit is easily imposed 1 Select this function in the Adjustment Program 2 Select the replacement parts and execute this function to measure automatically the variations and write the measurement values to the...

Page 118: ...en properly made The all adjustment patterns are printed automatically US Letter size EEPROM dump Use this to read out the EEPROM data for analysis The all EEPROM data is automatically read out and stored as a file Printer information check Manual CL counter Use this to read out information on the printer operations The printer information is automatically read out I C exchange CL counter Timer CL...

Page 119: ...nput Consumables maintenance counter Ink charge Initialize PF deterioration offset Disenable PF deterioration offset First dot position adjustment PW adjustment Head angular adjustment Bi D adjustment BAND printing adjustment PF adjustment PF band adjustment CR motor heat protection control PF motor heat protection control Final check pattern print ASF Assy Remove 1 O O Replace O O O CR Motor Remo...

Page 120: ...EJ Frame Assy Remove O O O O Replace O O O O Printer Mechanism Remove O Replace O O O O O O O O O O O O O O PW Sensor Remove O O Replace O O Table 4 4 Required Adjustment List Priority 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 PF Belt tension adjustment PF Roller Shaft Center Support Position adjustment ASF Guide Roller LDs Position Adjustment PG Adjustment EEPROM Data Copy Initial set...

Page 121: ... the same way as for Stylus Photo R1800 6 PF Tension Measuring Tool 1294120 Measuring tool Used to check whether or not the tension of the PF Drive Belt is within the specified value If load is greater than the specified value the PF Motor may generate heat burning off the coil Reversely if load is less than the specified value the paper feed position may shift 7 PF Roller Shaft Position Adjustmen...

Page 122: ...dge Examine the printout patterns and enter the value 10 to 10 for the most straight lines Additional information In the following cases reassemble or replace the Printhead and carry out the adjustment again The difference between the adjusted values of 1 80 and 80 1 exceeds 8 The larger the difference is the more the Printhead is tilted in the front to back direction Not parallel to the paper sur...

Page 123: ... point of intersection of the PW Adjustment pattern line and First Dot Position Adjustment pattern line on the left Measure the distance from the left edge of the paper to the printed line Enter the value for the line that is exactly 5 mm away from the edge Example In the left figure enter 2 since the lines intersect at 2 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 5 4 3 2 1 ...

Page 124: ... 3 Bi D Adjustment Printout Pattern How to Judge Examine the printout patterns for each of the five modes and enter the value for the pattern with no gap and overlap for each mode Additional information If no OK pattern is printed enter the value for the best one and print the adjustment pattern again C H E C K P O I N T Example for judgement 0 1 2 3 4 OK NG NG Overlap Gap ...

Page 125: ...wo dot sizes ECO VSD1 Figure 4 4 BAND printing adjustment Printout Pattern Bi d band adjustment How to Judge Examine the printout patterns and enter the values of the most straight lines Pass offset adjustment How to Judge Examine the printout patterns and enter the values of the most straight lines 17 19 20 22 23 25 21 C H E C K P O I N T Example for judgement C H E C K P O I N T Example for judg...

Page 126: ...ottom margin area The following pattern is printed How to Judge Examine the printout patterns and enter the value for the pattern with no overlap and gap between the upper and lower ones Figure 4 6 PF bottom margin area Adjustment Printout Pattern Additional information When overlap and gap are observed in the all patterns enter the value for the best one and print the adjustment pattern again C H...

Page 127: ...atterns enter the value for the best one and print the adjustment pattern again 4 3 Adjustment without Using Adjustment Program This section explains the adjustments that do not use the Adjustment Program 4 3 1 PF Belt Tension Adjustment When either of the following parts has been removed or replaced this adjustment must be performed to reduce load on the PF Motor and to secure paper feed accuracy...

Page 128: ... the measurement When it has finished the measurement result will be displayed by N Newton after the beep This jig can pick up and measure sounds accurately regardless of the flipping force 10 Repeating 8 and 9 delicately shift the variable part of the PF Motor mounting position to adjust the tension until the tension falls within the allowable standard value C A U T I O N Proper measurement may b...

Page 129: ...tment In that case mark the position of the rib on the Parallelism Adjust Bushing Left Right before removing them and make sure to align the markings with the ribs when installing them Refer to 3 4 5 Carriage Shaft Carriage Unit p63 C A U T I O N Do not touch the Adjustment Gauge Plate surface with bare hands If the Adjustment Gauge Plate surface is stained by ink or etc wipe it with a soft cloth ...

Page 130: ... of the Gauge with the Driven Roller Shaft of the Upper Paper Guide Left direction Release the left end of the Gauge from the Tab on the Front Paper Guide in Figure 4 13 Figure 4 13 Setting the Adjustment Gauge 7 Move the Carriage Unit onto the Adjustment Gauge Moving position Align the left end of the Gauge with the left end of the Carriage Unit Figure 4 14 Moving the Carriage Unit C A U T I O N ...

Page 131: ...e Shaft CCW so that the point marked 0 or or faces down 11 With its conductor connection portion up set the Adjustment Gauge in the specified position on the right side of the Front Paper Guide Setting Position Rear direction Align the rear end of the Gauge with the Driven Roller Shaft of the Upper Paper Guide Right direction Release the right end of the Gauge from the Tab on the Front Paper Guide...

Page 132: ...PG position is not out of position tighten the Parallelism Adjust Bushing with the screws to end the adjustment If it is out of position repeat the adjustment procedure from step 9 4 3 3 PF Roller Shaft Center Support Position Adjustment This adjustment must be performed to compensate the deflection amount on the PF Roller Shaft and to maintain an appropriate paper feed amount when the following p...

Page 133: ...t Position Adjustment Jig in place on the Level block and perform zero adjustment Long hand position Turn the dial to adjust the 0 position on the scale to the long hand position with the jig set in place on the Level block Short hand position Check it Figure 4 20 Setting the PF Roller Shaft Position Adjustment Jig 1 4 Tilt the Printer Mechanism at about 45 degrees and loosen the screws that secur...

Page 134: ...following page shows print samples when adjustment of the PF Roller Shaft Center Support Positions are inside and outside the specified value range C A U T I O N Check for any dirt on the PF Roller Shaft when performing the following procedure A D J U S T M E N T R E Q U I R E D Standard Value 10 40 Adjustment Resolution 50 C A U T I O N 30 must be set to compensate for the thickness of the coatin...

Page 135: ...L1800 Revision A Adjustment Adjustment without Using Adjustment Program 130 Confidential Figure 4 24 Outside the Specified Value Range Figure 4 25 Inside the Specified Value Range Unevenness ...

Page 136: ...x6 screws that secure the Guide Roller LD Figure 4 26 Guide Roller LD 2 Turn Combination Gear 29 11 on the right side of the ASF Assy CCW to raise the Hopper to the upper limit position until the Hopper Pad contacts the LD Roller Figure 4 27 Raising the Hopper C H E C K P O I N T When only removing the ASF Assy you do not need to perform this adjustment In that case mark the installing positions o...

Page 137: ...e screws See Fig 4 29 5 Check the position of the Retard Roller Holder Tab again through the notch If it is not inside the range remove the screws on the Guide Roller LD 0 Digit Side and repeat steps 2 to 4 to set the tab within the range 6 Check the clearance in both ends of the positioning hole that the Guide Roller LD Tab is inserted And align Guide Roller LD 130 Digit Side to the same height a...

Page 138: ...Confidential C H A P T E R 5 MAINTENANCE ...

Page 139: ...s in stand by state Check that the Power LED is not flashing 2 Hold down the Ink Switch on the control panel for more than 3 seconds The Power LED flashes during the cleaning sequence C A U T I O N Never use chemical solvents such as thinner benzine and acetone to clean the exterior parts of the printer like the housing These chemicals may degrade or deteriorate the quality of this product Be care...

Page 140: ...y of the Waste Ink Pads the maintenance request error is displayed Timing for Replacing the Waste Ink Pads When the Protection Counter has reached the limit and the maintenance request error is displayed When servicing the printer always check the Protection Counter using the Adjustment Program regardless of whether the Maintenance Request error has been indicated or not If the counter is close to...

Page 141: ...or grease than specified in this manual Table 5 2 Specified Lubricant Type Name EPSON CODE Supplier Grease G 26 1080614 EPSON Grease G 45 1033657 EPSON Grease G 71 1304682 EPSON Grease G 74 1409257 EPSON Grease G 75 TBD EPSON Lubrication Point Left and Right Adjust Parallel Bushings outer circumference Lubrication Type G 26 Lubrication Amount 1mm x 2mm Remarks Apply with a syringe Pin Head 1mm Aft...

Page 142: ... inner circumference Remarks Apply with a brush Be careful not to attach the grease to the PF scale Left Side Right Side Right Side Left Side Lubrication Point Contact point of the Left and Right PG Torsion Springs and the Carriage Shaft Lubrication Type G 26 Lubrication Amount 1mm x 2mm x 2 points Remarks Apply with a syringe Pin Head 1mm Lubrication Point Contact point of the rear side of CR Gui...

Page 143: ...ion Amount 1mm x 2mm x 2 points Remarks Apply with a syringe Pin Head 1mm Rear Paper EJ Roller EJ Grounding Spring Front Paper EJ Roller Right Side Lubrication Point The bushing of the Front Paper Guide Lubrication Type G 45 Lubrication Amount 1 Apply evenly 2 1mm x 2mm Remarks Apply with a brush Lubrication Point 1 Left side of the PF Roller Shaft Left of the E Ring 2 Mounting location of the Bus...

Page 144: ...t Contact point of the Shaft of the Main Frame and Spur Gear 31 5 Lubrication Type G 45 Lubrication Amount 1mm x 2mm Remarks Apply with a syringe 1 1 2 Rear Paper Guide PF Grounding Spring PF Roller Shaft of the Main Frame Lubrication Point Contact point of the Printer Cover Holder Left Right and the Printer Cover Lubrication Type G 26 Lubrication Amount 20mm x 2mm x 2 points Remarks Apply with a ...

Page 145: ... Shaft and the Guide Roller LD Lubrication Type 1 G 26 2 G 75 Lubrication Amount Apply evenly Remarks Apply with a brush Shaft of the ASF Frame LD Roller Shaft 2 2 Right Side 1 Left Side 1 Lubrication Point Contact point of the Housing Upper and the Printer Cover Lubrication Type G 26 Lubrication Amount 1 1mm x 10mm 2 1mm x 15mm 3 1mm x 10mm 4 Apply evenly Remarks 1 2 3 Apply with a syringe 4 Appl...

Page 146: ...lockwise move the Carriage Unit to spread the grease evenly Figure 5 20 Lubricating the Carriage Shaft 2 4 Move the Carriage Unit to the right end of the Carriage Shaft viewing the Unit from the rear and lubricate grease with the syringe at the point shown in refer to Figure 5 21 Figure 5 21 Lubricating the Carriage Shaft 3 C A U T I O N In the following step do not bring the needle of a syringe i...

Page 147: ...6 Lubricate grease with the syringe at the point shown in refer to Figure 5 22 Figure 5 22 Lubricating the Carriage Shaft 4 7 Hold the Carriage Unit and while turning the Carriage Shaft move the Carriage Unit to the right end of the Carriage Shaft to lubricate the grease evenly Figure 5 23 Lubricating the Carriage Shaft 5 8 Repeat step 4 7 Lubrication Type Lubrication Amount G 71 140mg 10mg Lubric...

Page 148: ...Confidential C H A P T E R 6 APPENDIX ...

Page 149: ...ry 144 Confidential 6 1 Connector Summary This section shows the connections between the main components of the printer Table 6 1 Connection of the Major Components CA86 PSB Power Supply Board CA53MAIN Main Board Control Panel CD81 Panel Board ...

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